game version re-ordering

server/internal/P2P.md

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+# Drop P2P System
+
+Drop clients have a variety of P2P or P2P-like methods of data transfer available
+
+## Public (not quite) HTTPS downloads endpoints
+
+These use public HTTPS certificate, and while are authenticated, are 'public' in the sense that they aren't P2P; anyone can connect to them
+
+## Private mTLS P2P endpoints
+
+Drop clients use P2P mTLS aided by the P2P co-ordinator to transfer chunks between themselves. This happens over HTTP.
+
+
+## Private mTLS Wireguard tunnels
+
+Drop clients can establish P2P Wireguard